Silver seems to be one of the easiest things I can think of to refine even for stone removal.
Dissolve into nitric, run it through a strainer to collect any stones, and then precipitate it back out
Any words of wisdom as to why did not do this? Does it make sense to melt it first and turn it into shot?
So this is one of my bread-and-butter metals. Up until yesterday I have only done recovery and then just melted the foils and scrap them as they are. Yesterday I decided to take this batch which started as about 1600 g and do aqua regia.
Most of my batches have had obvious pieces of low karat gold and I’m having problems with that low karat going into aqua regia
My question is, I know it would add an extra step, but is there some compelling reason not to melt the foils, in quart them with silver, turn them into shot, nitric again after that and then aqua regia? This would eliminate the problem of any solids that do not want to cooperate.
However, I really don’t see anyone doing that in videos so I figured I would ask
1 gallon water, 1 cup salt, 1tbs sulfuric acid
Stainless cathode. 12 volts to the leads.
My solution looks nasty, the items are coming out really pitted. Is this normal or am I doing something wrong?
I am only submerging the handles of the knives.